Socionext, ZifiSense and Techsor developing SoC for ZETag

Socionext, ZiFiSense and Techsor are  jointly starting development of an SoC for ZETag – a low cost, low power consumption IC tag. The companies plan to complete a prototype chip in 2020 and start volume production in 2021. The ZETag SoC will incorporate the LPWA ZETA-G protocol proposed by ZiFiSense with Socionext’s design expertise in ...

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O-RAN compatible DC/DC converters for RFPA

Flex Power Modules is working with OpenRAN, and O-RAN Alliance to broaden its range of isolated DC/DC converters for RFPA. The IEEE, says Flex Power, is stating that existing LTE RFPA solutions are not suitable for operation in the 5G range due to frequency incompatibility and, therefore, will not achieve high efficiency if use continues. ...

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Murata claims smallest MLCC

Murata announces the development of what it believes to be the world’s smallest, laminated multilayer ceramic capacitor (MLCC) with a capacitance value of 1.0 μF in the 01005 inch size (0402M) measuring just 0.4 x 0.2mm x 0.2mm. The GRM022R60G105ME01 with a rated voltage of 4 Vdc is already in mass production and the GRM022R60J105M, ...

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GloFo qualifies 12LP+ finfet process

GLOBALFOUNDRIES Says it has qualified its 12LP+ finfet process and is ready for production. GF’s differentiated 12LP+ solution is optimized for AI training and inference applications. 12LP+ introduces new features including an updated standard cell library, an interposer for 2.5D packaging, and a low-power 0.5V Vmin SRAM bitcell that supports the low latency and power-efficient shuttling ...

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PFC controller for 600W to 6kW comes with configuration software

STMicroelectronics has announced a power-factor correction controller for the front-end of ac-dc PSUs from 600W to 6kW. Called STNRGPF02, it implements a two-channel interleaved boost topology as well as in-rush current limiting. Operation is fixed-frequency continuous-conduction mode (CCM) with average current-mode control. “A blend of analogue and digital control combines a hardware analogue PI [proportional-integral] ...

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Self-hollowing nano-particles store lithium for batteries

Spontaneously-hollowing antimony particles could increase the capacity of lithium ion cells, according to the Georgia Institute of Technology. “Intentionally engineering hollow nano-materials has been done for a while now, and it is a promising approach for improving the lifetime and stability of batteries with high energy density,” GaTech research engineer Matthew McDowell. “The problem has ...

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Automotive 1A PoL converter has PWM and PFM for better efficiency

Diodes is aiming at automotive point-of-load converters with a 1A buck converter that can run from 5V and 3.3V rails. Output can span 600mV to 3.6V said the company, although one data brief says 800mV to 4V. Called AP61100Q, the chip has synchronous rectification – with a 110mΩ high-side mosfet and 80mΩ low-side mosfet. Operation ...

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DAB chips and modules for prettier user interfaces from Frontier

Frontier is aiming at better-looking DAB+ radio products with a ‘Pro’ range of chips, modules and software. Its Kino 4-Pro chip has a larger memory than its earlier silicon, allowing features to be added without compromising performance. Siena-Pro is a module built around Kino 4-Pro. To ease migration, Kino 4-Pro and Siena-Pro are pin compatible ...

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Memory test and burn-in for 5G development labs

Advantest’s H5620ES engineering test system is designed for burn-in and core testing of DDR4, DDR5 and LPDDR devices in laboratory environments. “Like its sister system, the H5620 production unit, the new tester parallel tests both DDR4 and DDR5 memories. It can accommodate memory ICs with 100MHz frequencies and 200Mbit/s data rates,” said the company, adding ...

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